Examine source code of Orion Nebula Light Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Orion Nebula",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(7, 50, 84, 0.5)",
      "toolbar_text": "rgb(253, 196, 141)",
      "frame": "rgb(121, 173, 221)",
      "tab_background_text": "rgb(253, 253, 253)",
      "toolbar_field": "rgba(39, 79, 113, 0.5)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(67, 194, 218)",
      "popup": "rgba(7, 50, 84, 0.8)",
      "popup_text": "rgb(245, 177, 109)",
      "ntp_background": "rgba(202, 116, 72, 0.5)",
      "tab_loading": "rgb(67, 194, 218)"
    }
  }
}